Welcome To Deljo!

Before you browse around our website, we encourage you to view a little welcoming message from our team. In the video we will go through our standard process of business with our loyal customers. If you have done business with us before, you might see some familiar faces. We look forward to hearing from you!
~ The Deljo Team

Winners from 2002 – 2014!

Heating, Air Conditioning & HVAC
Chicago IL

Expect exceptional service and superior quality.  By consistently meeting rigorous national standards for performance, Deljo Heating & Cooling is distinguished as a Carrier Factory Authorized Dealer.  We continue to reach high expectations for ethical business practices year after year.  By maintaining all required local licenses, complete insurance & liability coverage, and fulfillment of warranty specifications, we provide Chicago area home and business owners a team of support they can count on.  

Our installation staff receives ongoing training in the technical aspects of installation, maintenance and repair of HVAC equipment.  Our sales experts receive extensive education specific to heating, cooling and air quality products in order to match your individual requirements to the most energy-efficient, innovative and cost-effective systems available.  Every member of the Deljo Heating & Cooling staff is NATE-certified, having verified their comprehensive knowledge of all aspects of heating and cooling through industry-recognized exams.  Whenever feasible, Deljo Heating & Cooling ensures system performance, and preserves original sound and efficiency levels, through the use of Factory Authorized Parts.  Factory Authorized Dealers are also certified by the EPA for proper refrigerant handling.

Chicago IL HVAC Experts

Deljo Heating & Cooling is also a Mitsubishi Diamond Dealer, guaranteeing a superior skill set, dedicated customer service and sophisticated solutions to the most challenging home temperature concerns.  Our technicians participate in extensive training and education at every level of service, from new product sales to continued customer care, at a Mitsubishi Electric-approved training center.  Through intensive training and years of firsthand experience, our HVAC specialists are qualified to install and service a full range of HVAC solutions, from traditional forced air systems to ductless cooling, boilers, radiant flooring, Indoor Air Quality products and much more.

Through a close partnership with Wells Fargo Retail Services, Deljo Heating & Cooling offers a variety of convenient financing options.  Low monthly payments, preferred interest rates and flexible terms provide the opportunity to invest in high-efficiency Carrier products or systems without straining your budget.  Upgrading outdated heating or cooling units with the latest advances in HVAC technology saves money on energy consumption, repairs and overall operational costs, allowing these systems to pay for themselves.

Deljo Heating & Cooling strives to make our every service affordable and convenient.  If you need air conditioning or a new heater installed, we’ll work with you to stay within your budget without sacrificing quality.   For repair, maintenance and a complete array of comfort services, call the experts from Deljo Heating & Cooling, and rest assured you’ll be treated with the utmost respect.  No matter what the Chicago weather brings, you’ll only feel the difference of complete comfort.